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Writing files in Node.js

...tent; they don't have any buffering system. If you write a string, it’s converted to a buffer, and then sent to the native layer and written to disk. When writing strings, they're not filling up any buffer. So, if you do: write("a") write("b") write("c") You're doing: fs.write(new Buffer("a...
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Executing Batch File in C#

...nd out what's happening: static void ExecuteCommand(string command) { int exitCode; ProcessStartInfo processInfo; Process process; processInfo = new ProcessStartInfo("cmd.exe", "/c " + command); processInfo.CreateNoWindow = true; processInfo.UseShellExecute = false; // ...
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(this == null) in C#!

...primary != null && !(primary is DBNull)) return (T)Convert.ChangeType(primary, typeof(T)); else if (Default.GetType() == typeof(T)) return Default; } catch (Exception e) { throw new Exception("C:CFN.1 - " + e.Mes...
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Create an empty list in python with certain size

...ate a list. ... s1.append(i) ... return s1 ... >>> print display() [0, 1, 2, 3, 4, 5, 6, 7, 8] List comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ): >>> def display(): ... return [x**2 for x in r...
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Why are interface variables static and final by default?

Why are interface variables static and final by default in Java? 15 Answers 15 ...
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Should I initialize variable within constructor or outside constructor [duplicate]

... @Cromm yes, you can do that, but my point is that it is not a good practice, in my opinion: - if you have a logic, that is not related to actual construction, - if your logic can cause an exception, then you are opening a door to a potential usage of incomplete ...
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How to annotate MYSQL autoincrement field with JPA annotations

Straight to the point, problem is saving the object Operator into MySQL DB. Prior to save, I try to select from this table and it works, so is connection to db. ...
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Partly cherry-picking a commit with Git

...ne by bringing in git stash: Do the full cherry pick. git reset HEAD^ to convert the entire cherry-picked commit into unstaged working changes. Now git stash save --patch: interactively select unwanted material to stash. Git rolls back the stashed changes from your working copy. git commit Throw a...
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Improve INSERT-per-second performance of SQLite

...o faster. For instance, if you have key value pairs, try making the key an INTEGER PRIMARY KEY if possible, which will replace the implied unique row number column in the table. If you are using multiple threads, you can try using the shared page cache, which will allow loaded pages to be shared bet...
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How to enable/disable bluetooth programmatically in android

...ission it's work but if not you need to use startActivityForResult(enableBtIntent, 0); to enable your bluetooth – Majid Golshadi Jan 11 '14 at 14:17 1 ...